Inventor · disambiguated record
David T. Doughty
Also filed as: DOUGHTY DAVID T
10 granted patents·2 pending applications·427 citations·filing 1984–2019
91Inventor score
Top patents by PatentIndex Score
12 records- 0191US5492882AChromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors in industrial applicationsCALGON CARBON CORP·Filed 1993·Granted Feb 20, 1996·121 cites·19 claims
- 0290US5733515APurification of air in enclosed spacesCALGON CARBON CORP·Filed 1996·Granted Mar 31, 1998·114 cites·8 claims
- 0390US5063196AChromium-free impregnated activated carbon for adsorption of toxic gases and/or vaporsCALGON CARBON CORP·Filed 1989·Granted Nov 5, 1991·89 cites·9 claims
- 0486US11697090B2Sorbent devicesCALGON CARBON CORP·Filed 2019·Granted Jul 11, 2023·4 cites·18 claims
- 0584US5912423AMethod and means for purifying air with a regenerable carbon cloth sorbentCALGON CARBON CORP·Filed 1997·Granted Jun 15, 1999·71 cites·15 claims
- 0675US4604242APreparation of dialiphatic, dialicyclic, or di(aryl-substituted aliphatic) carbonatesDOW CHEMICAL CO·Filed 1984·Granted Aug 5, 1986·14 cites·8 claims
- 0770US10279333B2Carbon sorbents for the removal of nitrogen oxides and methods for making the sameCALGON CARBON CORP·Filed 2016·Granted May 7, 2019·1 cites·24 claims
- 0862US11648528B2Carbon sorbents for the removal of nitrogen oxides and methods for making the sameCALGON CARBON CORP·Filed 2019·Granted May 16, 2023·0 cites·8 claims
- 0955US6422059B1Apparatus for detecting changes in concentrations of components of fluid mixturesCALGON CARBON CORP·Filed 2000·Granted Jul 23, 2002·3 cites·11 claims
- 1044US5700436APurification of air in enclosed spacesCALGON CARBON CORP·Filed 1994·Granted Dec 23, 1997·10 cites·8 claims
- 1143US2005211099A1Spiral composite adsorbent materialDOUGHTY DAVID T·Filed 2004·Application pending·0 cites
- 1241US2005211100A1Shaped composite adsorbent materialDOUGHTY DAVID T·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →